One Piece Bright Red Halter Push Up Slim Tummy Control Tankini Swim Dress L One Piece Halter Neck Push Up Ruched Tummy Control Swim Dress. Size runs smaller than regular sizing, so please view our Size Chart carefully. Please select the size according to your chest/bust measurement. Please choose the next size up if you are not quite sure about the sizing. Medium Size(in inches): Bust 30 Large Size(in inches): Bust 32 X-Large Size(in inches): Bust 34